Photo-Induced Liquid-Phase Chemiluminescent Determination of Sulfamethoxazol Original Paper

  1. M. Kozlowska 1
  2. D. Malo 1
  3. J. Calatayud 1
  1. 1 Department of Analytical Chemistry. University of Valencia. Valencia (Spain)
Revista:
Journal of Flow Injection Analysis

ISSN: 0911-775X,  2433-7374

Año de publicación: 2010

Volumen: 27

Número: 2

Páginas: 128-134

Tipo: Artículo

DOI: 10.24688/JFIA.27.2_128 GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Journal of Flow Injection Analysis

Resumen

Abstract.- The chemiluminescent determination of Sulfamethoxazol is proposed by using the photo-degradation of the drug in a continuous-flow Multicommutation assembly. The light emission is the product of the drug oxidation with potassium permanganate in polyphosphoric acidic medium after irradiation (stopped-flow, 5 s) on the sample solution in alkaline medium. The method is completely automated with the aid of the emergent Multicommutation methodology, a continuous-flow modality. The new procedure allows the Sulfamethoxazol determination over the range 0,01 –250 mg l-1 with a dynamic linear range from 0,01 to 100 mg l-1; and it is applied to different types of samples. The maximum sample throughput was calculated from the avarage of base-peak wide; obtained result was 40 h-1. Key-words.- Chemiluminescence, photo-degradation, multiconmutación.

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